介绍：
Staycation 宅在家
I had a staycation on Labor Day because I had no money to take a vacation.
这个劳动节我宅在家，因为没钱出去玩。

Manual labor 体力劳动
Manual labour is hard work using the hands.
Manual labour就是用手来做的苦力活。

Go into labor 分娩；生小孩
She went into labour at twelve o'clock last night.
昨晚12点她开始生的。

Labour of love
出于爱好而做的事；心甘情愿做的事
Mary hates knitting, but she made a sweater for her boyfriend. What a labor of love.
Mary讨厌针织，但是她给男朋友织了一件毛衣。真是真爱啊！

Labor union 工会
A labor union is an organization that represents the people who work in a particular industry, protects their rights, and discusses their pay and working conditions with employers.
工会就是代表某个行业中工作的人的组织。工会保护工作者的权利，和雇主商量工作者的薪水以及工作条件。